{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35406", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-02T17:03:42.075Z", "datePublished": "2026-04-07T21:32:23.512Z", "dateUpdated": "2026-04-07T21:32:23.512Z"}, "containers": {"cna": {"title": "Aardvark-dns has incorrect error handling for malformed tcp packets", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j"}, {"name": "https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1", "tags": ["x_refsource_MISC"], "url": "https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1"}, {"name": "https://github.com/containers/aardvark-dns/releases/tag/v1.17.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/containers/aardvark-dns/releases/tag/v1.17.1"}], "affected": [{"vendor": "containers", "product": "aardvark-dns", "versions": [{"version": ">= 1.16.0, < 1.17.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-07T21:32:23.512Z"}, "descriptions": [{"lang": "en", "value": "Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1."}], "source": {"advisory": "GHSA-hfpq-x728-986j", "discovery": "UNKNOWN"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1."}], "id": "CVE-2026-35406", "lastModified": "2026-04-07T22:16:23.277", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-07T22:16:23.277", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1"}, {"source": "security-advisories@github.com", "url": "https://github.com/containers/aardvark-dns/releases/tag/v1.17.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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